San Francisco City Hall has a legendary dome and rotunda, featured in movies including "Milk" and "Raiders of the Lost Ark" and literally covered in gold. Total SF hosts Heather Knight and Peter Hartlaub take a dome tour with City Hall building manager Rob Reiter, visiting behind the scenes and climbing to the very top of the structure. Then they sit down with City Hall historian Ellen Schumer, who is also chair of the City Hall Preservation Advisory Commission, to hear stories about former mayors, the wedding of Joe DiMaggio and Marilyn Monroe and the meaning of the plaster symbols on the rotunda walls. Also in this episode, Knight and Hartlaub have an announcement about a job change, and the future of the podcast. Produced by Peter Hartlaub. Music from the Sunset Shipwrecks off their album "Community," Castro Theatre organist David Hegarty and cable car bell-ringing by 8-time champion Byron Cobb. Follow Total SF adventures at www.sfchronicle.com/totalsf  Learn more about your ad choices. Visit megaphone.fm/adchoices